package com.riwon.im.service;


import com.baomidou.mybatisplus.service.IService;
import com.riwon.im.pojo.User;

import javax.validation.constraints.NotNull;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author wpy
 * @since 2018-05-09
 */
public interface IUserService extends IService<User> {
    /**
     * 返回空代表没有客服或者shopid错误
     *
     * @param appid
     * @return
     */
    User getNextStaff(@NotNull Integer appid);
}
